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Patents > Applicant firm: None & National tech categories : HU V/h or None

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Inventor country:
None (2058) · US (1445) · GB (1056) · FR (1029) · DE (529) · HU (126) · AT (94) · IT (92) · CA (60) · CH (56) · BE (45) · RU (42) · AU (37) · ES (29) · NZ (28) · NO (20) · SE (18) · AH (14) · RO (13)
Applicant firm: (Click arrow to add another value)
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Related to aircraft:
Assigned to:
None (6725) · 1 (7) · Goodyear Tire and Rubber Company (3) · Vertical Propeller Co. (2)
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
None (6724) · CPC B64B1/00 (2) · Patent GB-1912-15735 (2) · Patent GB-1914-23502 (2) · Patent AT-1909-47911 (2) · Patent GB-1909-3202 (2) · Patent GB-1901-346 (2) · Patent GB-1912-5966 (2)
Citations from after 1930:

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